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[SK_BUFF]: Introduce skb_network_header()

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For the places where we need a pointer to the network header, it is still legal
to touch skb->nh.raw directly if just adding to, subtracting from or setting it
to another layer header.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-04-10 20:50:43 -07:00
committed by David S. Miller
parent bbe735e424
commit d56f90a7c9
59 changed files with 258 additions and 185 deletions
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6
drivers/s390/net/qeth_main.c
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@@ -3778,9 +3778,11 @@ qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb)
}
/* try something else */
if (skb->protocol == ETH_P_IPV6)
return (skb->nh.raw[24] == 0xff) ? RTN_MULTICAST : 0;
return (skb_network_header(skb)[24] == 0xff) ?
RTN_MULTICAST : 0;
else if (skb->protocol == ETH_P_IP)
return ((skb->nh.raw[16] & 0xf0) == 0xe0) ? RTN_MULTICAST : 0;
return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ?
RTN_MULTICAST : 0;
/* ... */
if (!memcmp(skb->data, skb->dev->broadcast, 6))
return RTN_BROADCAST;